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Catalogue Differential Pressure

20 www.bdsensors.com DPS 300 Differential Pressure Transmitter Technical Data Input pressure range Nominal pressure PN [mbar] (differential, gauge pressure) 1,6 4 10 40 250 1000 Adjustable to PN [mbar] 1,0 2,5 6 25 60 / 160 400 / 600 Max. static pressure [mbar] 200 200 200 345 1000 3000 Output signal / Supply Standard 3-wire: 0 ... 10 V / 0 ... 20 mA / 4 ... 20 mA / VS = 19 ... 32 VDC Option 2-wire: 4 ... 20 mA / VS = 11 ... 32 VDC Performance Accuracy 1,0 % FSO BFSL Permissible load voltage 3-wire: Rmin = 10 kΩ current 2-wire: Rmax = [(VS – VS min) / 0,02 A] Ω current 3-wire: 330 Ω Influence effects supply: 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ Response time T90 >100 ms; adjustable by potentiometer in the range of 0 msec up to 5000 msec Turn on time 500 ms Measuring rate 12,5 Hz Contact (optional) 3-wire version 2-wire version (optional) Number, form 2 x relay-output (NO/NC) 2 x PNP-open-collector-contact max. switching current 2 A max. 125 mA resistant; short-circuit-proof Accuracy of switching points ≤ ± 2 % FSO ≤ ± 2 % FSO Accuracy of repeatability ≤ ± 0,5 % FSO ≤ ± 0,5 % FSO Switching frequency 5 Hz 5 Hz Switching cycles < 100 x 106 < 100 x 106 Thermal effects / Permissible temperatures Thermal error (offset and span) 0.5 % FSO / 10 K (typ.) for PN ≤ 4 mbar 0.3 % FSO / 10 K (typ.) for PN > 4 mbar in compensated range 0 ... 50 °C Permissible temperatures medium: 0 … 50°C electronics / environment: 0 … 50°C storage: -10 … 70°C Electrical protection Short-circuit protection permanent Reverse polarity protection no damage, but also no function Elektromagnetic protection EMC directive: 2004/108/EG emission and immunity according to EN 61326 Materials Pressure port brass nickel plated Housing ABS Sensor Ceramic, silicon, epoxy, RTV Media wetted parts pressure port, PVC / silicon tube, sensor Display Performance two-line LC-Display, visible range 32.5 x 22.5 mm; 5-digit 7-segment-main display, digit size 8 mm, range of indication: ±9999 8-digit 14-segment-additional display, digit size 5 mm; 52-segment-bargraph accuracy: 0,1% ±1 digit Functions - parameterisation of contacts - selection of units - selection of signal (linear, square root extraction) - cut-off-function (only with square root extraction) - min- / max-value - re calibration - autozeroing - factory setting DPS 300 Technical Data

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